data_global _amcsd_formula_title 'O3 W' loop_ _publ_author_name 'Braekken H' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 78 _journal_year 1931 _journal_page_first 484 _journal_page_last 489 _publ_section_title ; Die Kristallstrukturen der Trioxide von Chrom, Molybdaen und Wolfram _cod_database_code 1010618 ; _database_code_amcsd 0017500 _chemical_formula_sum 'W O3' _cell_length_a 7.28 _cell_length_b 7.48 _cell_length_c 3.82 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 208.016 _exptl_crystal_density_diffrn 7.403 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z W1 0.25000 0.03100 0.06250 W2 0.25000 0.53100 0.06250 O1 0.00000 0.00000 0.00000 O2 0.50000 0.00000 0.00000 O3 0.00000 0.50000 0.00000 O4 0.50000 0.50000 0.00000 O5 0.25000 0.28100 0.00000 O6 0.25000 0.21900 0.00000 O7 0.25000 0.03100 0.56250 O8 0.25000 0.53100 0.43750